DescriptionTraffic Signal Components (United States).svg
English: Components in a traffic signal cycle. Terminologies are used in the United States, created based on what's documented in (2004) Traffic engineering (3rd ed.), Upper Saddle River, N.J: Pearson/Prentice Hall ISBN: 0-13-142471-8. , page 471
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Captions
Components in a traffic signal cycle. Terminologies are used in the United States.